Where can I buy extra disks for my planetarium?
A couple of months ago I was given a cool home planetarium and 2 disks for it for my birthday. I was, of course, insanely happy because I've been interested in astronomy for a long time, but in two months I've gotten bored with the two disks. And friends seemed to say that Sega Homestar has a large selection of different disks. Can you tell me where they can be found on sale?
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